Most of these are as versus against.
Top: As:
. Against:
.
Why: I just enjoy Nasus as a slower, more methodical champion. A way to focus less on trading and CS, and more a way to just flow into the general...Tranquility of stacking. Shen, you get to make amazing saves with your ult, and then everyone loves you, and that just feels nice. Kled is Kled, and needs no other explanation.
Gnar is an oppressive as fuck shithead to deal with. Permaslows with Mallet and Q, tanky as fuck with passive, and borderline impossible to catch. Cho'gath is just a fucking jackass, with his bullshit silence and basically 0-mana waveclear, and of course the nuke on R. Heimer needs no explanation. Darius and Trynd would have been here, but half of those guys have no brain cells, and they're just not as bad as these guys.
Jungle: As:
and
. Against:
and
.
Why: Honestly? Those are the only three junglers I can play. All three are fairly fun to play, though.
Xin Zhao is the iconic bullshit level 2 "Lemme just invade you, kill you, and then take all of your camps". At least Shaco waits for level 3 to do that. Udyr is generic bullshit "let me also run you down at any level and kill you", and is basically unkitable without blue smite or BorK, and even then not at all if he has Ghost and level 4. Fiddle will show up in almost every other fucking lane, because FUCK THIS OPPRESSIVE AS FUCK TWIG. Can't gank him, can't invade him, can't 1v1 him, can't 5v5 him, can't out-poke him, can't fucking trade with him, doesn't run out of mana, doesn't run out of health, does massive nuke AoE, has a better version of Brand's ult as a fucking basic ability, can't fucking miss a single ability...Fiddle is, by far, the most cancerous champion in the game. I'd rather fight release Zoe than him. I'd rather play a fucking minion than fight him. I'd rather watch nothing but the entire Twilight Saga for 5 years straight than fight him. If Fiddle is picked in even a single game then that's 5 games too many. People that'd rather ban Yasuo than Fiddle are absolute morons. Yasuo at his most broken could NEVER be as bad as Fiddle at his absolute lowest winrate. I will fucking dodge ARAM if I get him and I don't have rerolls. Nobody should ever have to fight this shithead again, and I absolutely refuse to touch him in any way that isn't to ban him. I will, until the day I die or the day he's reworked and his entire kit is thrown out, maintain him as the absolute worst champion to ever face in League, period. This fucker makes Trynd look like an amazing design with so much counterplay you might as well be at Ikea or some other store that sells counters.
Mid: As:
. Against:
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Mostly just the three I know. Ahri is my first main, and my second champion (only behind Ashe). She's nimble, has burst, and has CC. Like an assassin, but less selfish. Lux is a nice, simple champion. The same reason I like Nasus, tbh: Nice, fairly easy to play, rarely that bad.... Morgana is solely as a counterpick to assassins. If that asshole wants to pick Zed for his silver freelo, then fuck him, he'll lane against a Morgana and be useless.
Heimerdontpickhim and Cancersticks have already been explained. Orianna is just a personal pain in my ass. Her Q poke zones you away super hard, and is honestly way too hard to dodge with way too long a range. There's also not too much you can do to avoid her R or...is it W? E? I don't even know. The stupid smaller AoE thing. Man, that shit's annoying. Used to be far more so when it was almost always a proc of Thunderlord's. Does it still do that? I dunno. Maybe it does with Luden's and Electrocute. Annoying-ass bitch, though.
ADC: As:
. Against:
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Why: Ashe is, again, fairly simple, but has a lot of utility for her team. Cait is another champion I can relax on, and being able to win game at 18 or 40 minutes is a nice thing. Kai'sa is just a super fluid champion, and one of the best-feeling champions in the game.
Legit, fuck the guy who first thought of Heimer and Rengar botlane. Heimer was explained already, Rengar sucks ass to fight in lane because it's just constant spamming jumps from the brush to kill you. Draven is the iconic bullshit level 2 "let me run you down and two-shot you with just my Q" champion. Seriously, he does too much fucking damage with his Q, and is nearly impossible to poke out of lane safely due to being able to viably rush Bloodthirster.
Support: As:
. Against: Every fucking mage in the game, especially
and
.
Why: Soraka is, yet again, fairly simple. Also, global ultimate saves. Like Shen, but simpler, and you're goat with bananas instead of a ninja. Sona is simple as well, while being general utility. It's nice to have a support that can do good damage without being a full-on mage support. Leona you get to feel tanky as fuck and PRAISE THE SUN.
Okay, and if you've ever played a mage support as a mage and not as a full-on support, fuck you. Go play a real support, or go back to midlane. You don't belong with the enchanters and tanks. Fuck these three in particular though. Shittlesticks is already explained, he's the most cancerous champion in the game and I'd rather drink a gallon of battery acid than have to play a game against him again. Brand does way too much fucking damage with too few items and zones you way too hard, and you have to be literally asleep to lose lane as Annie support.